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What is the difference between -viewWillAppear: and -viewDidAppear:?
What is the difference between -[UIViewController viewWillAppear:] and -[UIViewController viewDidAppear:] ?
12 Answers
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Add centered text to the middle of a -like line
...he compatibility is not that bad (you can add all of old flexbox syntaxes) and it degrades gracefully.
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SQL SELECT speed int vs varchar
I'm in the process of creating a table and it made me wonder.
9 Answers
9
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Is there a way to escape a CDATA end token in xml?
...only the CDEnd string is recognized as markup, so that left angle brackets and ampersands may occur in their literal form; they need not (and cannot) be escaped using "<" and "&". CDATA sections cannot nest.
In other words, it's not possible to use entity reference, markup or any oth...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
...s got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at the head of my document:
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Get final URL after curl is redirected
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curl's -w option and the sub variable url_effective is what you are
looking for.
Something like
curl -Ls -o /dev/null -w %{url_effective} http://google.com
More info
-L Follow redirects
-s Silent mode. Don't output anyth...
What file uses .md extension and how should I edit them?
...have README.md files. It seems like a simple format file to express text and pictures.
16 Answers
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Android: Force EditText to remove focus? [duplicate]
...o remove the focus from the EditText. For example if the Keyboard appears, and the user hides it with the back button, I would like the focus and the cursor to disappear. How can it be done?
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Should I call Close() or Dispose() for stream objects?
... void Close()
{
this.Dispose(true);
GC.SuppressFinalize(this);
}
And StreamReader is:
public override void Close()
{
this.Dispose(true);
}
The Dispose(bool disposing) override in StreamReader is:
protected override void Dispose(bool disposing)
{
try
{
if ((this.Clos...
Setting an object to null vs Dispose()
I am fascinated by the way the CLR and GC works (I'm working on expanding my knowledge on this by reading CLR via C#, Jon Skeet's books/posts, and more).
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